关于孕激素的生理作用，哪项是错误的A．促进水钠排泄 B．使 *

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问题单项选择题

关于孕激素的生理作用，哪项是错误的

A．促进水钠排泄

B．使 * * 上皮细胞脱落加快

C．降低循环中胆固醇水平

D．促使子宫内膜由增生期变为分泌期

E．使宫颈口闭合

答案

参考答案：C

单项选择题

Which of the following is an example of an arbitrage opportunity()

A. A portfolio of two securities that will produce a certain return that is greater than the riskfree rate of interest.

B. A stock with the same price as another has a higher rate of return.

C. A stock with the same price as another has a higher expected rate of return.

单项选择题

以下各项中，不属于金融市场配置职能体现的是（）

A．利润再分配

B．资源配置

C．风险再分配

D．财富再分配